assuming everything in the world has been in someone's butt.
Due to Mann's Assumption Dan was very uncomfortable while staying at our local hotel.
by punkdad March 13, 2012
1 more definition
assuming that everything in a hotel room has at one point been in someone's rectum.
Don't touch the remote in your room - you know Mann's assumption tells us that thing is nasty.
by dj jazzy jason March 10, 2012